[GreenKeys] Dovetron Arrival

Thu, 4 Mar 2004 19:40:47 -0600

Maybe we should share the "innards" of our "new" Dovetrons so we are not
talking apples and oranges, hi.  Mine had, other than the main board and
display boards, the following:
2 LCO-100 boards (both of which had shaken loose in shipment).
1 TMS-200D AFSK Generator
1 KOS-100 board (Marked Tempest)
1 BBP-100 board
Outside is a little worse for the wear, but some touchup painting should
help.  Inside is VERY clean and neat.  No evidence of any "depot repairs"
like some surplus.  The fuse was intact, so have hopes it will fire up fine.
73 All,
Don, WB5HAK
----- Original Message -----
From: <[email protected]>
To: <[email protected]>
Sent: Thursday, March 04, 2004 7:12 PM
Subject: [GreenKeys] Dovetron Arrival


> Hi Group,
>
> Well my Dovetron came today, much to my pleasure and I'm glad to have it.
> Now, to get it online. Someone I think mentioned the possible availability
of a
> manual for these things. I expect the difficulty is in the fact that so
many
> variants were produced for special purposes. This one has a couple of
layers of
> daughter boards installed, with many unpopulated solder pads, cryptic
> nomenclature and little sense of what they do. It appears from a sticker
on the top
> lid that it's set up for AFSK and one tone set looks like it might be
standard;
> there's a KOS circuit it says, and M-S reversal (Is that an "RY"
generator?)
> at 75 Bauds. Oh, evidently it requires an external interface for the
current
> loop. I think Jack made a schematic available for one that operates the
page
> printer. Will I need to use a polar relay to key the transmit side of the
> Dovetron from a M28 or M19?
>
> Anyway, where can one obtain a manual for the Dovetron? I believe I have a
> power connector, but if not I can get one from Wm. Perry no sweat. It's
great to
> finally have it in hand and now I'm eager to get it online for some copy.
>
> I think my HAL will be on ebay soon :-)
>
> 73 Jim W8MAQ
>
>
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